body{
	margin: 0;
}
.main_lay{
	width: 100%;
	min-width: 800px;
	height: 100%;
	margin: 0 auto;
	/*background-color: red;*/
}
.main_top{
	width: 100%;
	height: 100px;
	/*background-color: blue;*/
}

.main_middle{
	width: 100%;
	height: 100%;
	min-height: 600px;
	display: flex;
}
.main_middle>div:nth-child(1){
	width: 20%;
	height: 600px;
	/*background-color: bisque;*/
	border: 2px solid blue;
	border-radius: 10px;
}
.main_middle>div:nth-child(2){
	width: 80%;
	height: 600px;
	/*background-color:darkcyan;*/
}
.main_foot{
	width: 100%;
	height: 80px;
	background-color: lightblue;
}

/*top部分设置*/
.main_top{
	display: flex;
}
.main_top>div{
	flex-grow: 1;

}

.main_top>div:nth-child(1){
    display: flex;
	
	align-items: center;
}
.main_top>div:nth-child(2){
    display: flex;
	
	align-items: center;
	color: blue;
	font-size: 60px;
	font-family:"franklin gothic medium";
}
.main_top>div:last-child{
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	height: 100%;
}
.main_top>div:last-child>div:nth-child(1){
	height: 50%;
	padding-right: 20px;
}
.main_top>div:last-child>div:nth-child(2){
	display: flex;
	align-items: flex-end;
	height: 50%;
}

.main_top>div:last-child>div:nth-child(2)>div:first-child{
	width: 100px;
}
.main_top>div:last-child>div:nth-child(2)>div:last-child{
	width: 200px;
}

/*nav设置--菜单设置*/
.nav{
	padding-top: 50px;
	display: flex;
	flex-direction: column;
	align-items: center;
}

.nav>div{
	width: 150px;
	height: 50px;
	display: flex;
	flex-direction: column;
	align-items: center;
}
a{
 color:blue;
 text-decoration: none;
 font-size: 20px;
 font-family: "gill sans mt";
}
